BR7404487D0 - Aperfeicoamento em lente para dispositivo sinalizador ou de aviso - Google Patents

Aperfeicoamento em lente para dispositivo sinalizador ou de aviso

Info

Publication number
BR7404487D0
BR7404487D0 BR4487/74A BR448774A BR7404487D0 BR 7404487 D0 BR7404487 D0 BR 7404487D0 BR 4487/74 A BR4487/74 A BR 4487/74A BR 448774 A BR448774 A BR 448774A BR 7404487 D0 BR7404487 D0 BR 7404487D0
Authority
BR
Brazil
Prior art keywords
signaling
warning device
lens
improvement
lens improvement
Prior art date
Application number
BR4487/74A
Other languages
English (en)
Portuguese (pt)
Inventor
J Berg
S Cobb
Original Assignee
Minnesota Mining & Mfg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR7404487D0 publication Critical patent/BR7404487D0/pt

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Laminated Bodies (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BR4487/74A 1973-06-01 1974-05-31 Aperfeicoamento em lente para dispositivo sinalizador ou de aviso BR7404487D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36621973A 1973-06-01 1973-06-01

Publications (1)

Publication Number Publication Date
BR7404487D0 true BR7404487D0 (pt) 1975-01-07

Family

ID=23442127

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4487/74A BR7404487D0 (pt) 1973-06-01 1974-05-31 Aperfeicoamento em lente para dispositivo sinalizador ou de aviso

Country Status (5)

Country Link
JP (1) JPS5023197A (ja)
AU (1) AU6964974A (ja)
BR (1) BR7404487D0 (ja)
DE (1) DE2426789A1 (ja)
FR (1) FR2232029A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2942730A1 (de) * 1979-10-23 1981-05-07 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Anzeigesystem fuer zustandsgroessen eines fahrzeuges
US5142415A (en) * 1989-06-15 1992-08-25 Minnesota Mining And Manufacturing Company Back-lit display

Also Published As

Publication number Publication date
FR2232029A1 (en) 1974-12-27
FR2232029B3 (ja) 1977-04-08
JPS5023197A (ja) 1975-03-12
AU6964974A (en) 1975-12-04
DE2426789A1 (de) 1974-12-19

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